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| All Patents in class 180/23 | |||||
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| Number | Date | Patentee | Title | Type | |
| 77,719 | May 12, 1868 | M.V. Cummings | Mowing Machine | mowing machines | |
| 158,923 | Jan. 19, 1875 | R.R. Doan | Road Engines | steam road engines | |